– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 am Mon 23 Feb Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Mon 23 Feb Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Mon 23 Feb Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryModerate rain (total 14mm) heaviest on Mon morning, then becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 5°C on Tue morning, min 0°C on Mon night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 8mm), mostly falling on Thu night. Freeze-thaw conditions (max 5°C on Sat afternoon, min -3°C on Fri night). Wind will be generally light. | |||||||||||||||||
Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  |  |  | | |  | | | | | | | | |  | |
light rain | light rain | some clouds | some clouds | rain shwrs | snow shwrs | light rain | rain shwrs | light rain | rain shwrs | rain shwrs | light rain | light rain | light rain | some clouds | some clouds | some clouds | clear | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | |
4 | 0.8 | — | — | 0.1 | — | 4 | 2 | 3 | 0.2 | 0.2 | 4 | 3 | 1 | — | — | — | — | |
max °C | 3 | 3 | 1 | 5 | 4 | 2 | 3 | 3 | 2 | 4 | 4 | 3 | 3 | 2 | 0 | 4 | 5 | 0 |
min °C | 3 | 2 | 0 | 3 | 0 | 0 | 2 | 2 | 2 | 3 | 2 | 2 | 3 | 1 | -3 | 3 | 1 | -1 |
0 | 2 | 0 | 3 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | -1 | 1 | 1 | -3 | 2 | 1 | -1 | |
950 | 950 | 750 | 950 | 950 | 550 | 850 | 900 | 900 | 950 | 1000 | 950 | 950 | 800 | 0 | 950 | 1100 | 250 | |
Cloud base (m) | 600 | 600 | 850 | 1950 | 1450 | 600 | 600 | 600 | 600 | 600 | 650 | 600 | 600 | 600 | 600 | 600 | 650 | 600 |
 | 7:00 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — |
 | — | 5:42 | — | — | 5:43 | — | — | 5:45 | — | — | 5:46 | — | — | 5:47 | — | — | 5:50 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Moderate rain (total 14mm) heaviest on Mon morning, then becoming colder with a dusting of snow on Tue night. Freeze-thaw conditions (max 5°C on Tue morning, min 0°C on Mon night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 8mm), mostly falling on Thu night. Freeze-thaw conditions (max 5°C on Sat afternoon, min -3°C on Fri night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.